Ubuntu Increase Inotify Watcher (File Watch Limit)

September 30, 2018
Possible cause of Vue.js hot reload or LiveReload not working, or ENOSPC: System limit for number of file watchers reached

Check the current file watch limit, default is usually 8192.

cat /proc/sys/fs/inotify/max_user_watches

Set new max_user_watches.

sudo sysctl fs.inotify.max_user_watches=32768
sudo sysctl -p

Make the changes permanent.

echo fs.inotify.max_user_watches=32768 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p

References:

This work is licensed under a
Creative Commons Attribution-NonCommercial 4.0 International License.